Gehl, J., & Svarre, B. (2013). How to Study Public Life. Island Press.
Chicago Style (17th ed.) ZitazioaGehl, Jan, eta Birgitte Svarre. How to Study Public Life. Washington, DC: Island Press, 2013.
MLA (9th ed.) ZitazioaGehl, Jan, eta Birgitte Svarre. How to Study Public Life. Island Press, 2013.
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